Finding the Fourth Proportional to 85,349.03, 117,825.97 and 62,353.07
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Solution
The fourth proportional to 85,349.03, 117,825.97 and 62,353.07 is: 86,079.61
Step by Step Solution
- Step 1: Write the proportion equation
85,349.03 : 117,825.97 = 62,353.07 : x - Step 2: Convert to fraction form
85,349.03/117,825.97 = 62,353.07/x - Step 3: Cross multiply
85,349.03x = 117,825.97 × 62,353.07 - Step 4: Simplify right side
85,349.03x = 7,346,810,955.23 - Step 5: Solve for x
x = 7,346,810,955.23/85,349.03 - Step 6: Final answer
x = 86,079.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.